Now that the UK has decided to leave, the next big problem facing the EU is the constitutional reform referendum in Italy later this year.

In April, the Italian parliament passed a package of constitutional reforms. They were designed to improve the efficiency and stability of the Italian state, and also to reduce the powers of the Italian senate and its ability to bring the government down.

Although the package passed, it did not get the required 66pc majority in both houses to come into immediate effect.

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